<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
	
		<button type="button">1</button>
		<script type="text/javascript">
			function add(){
				var img=document.createElement("img")
				img.src="images/5.jpg";
				document.body.appendChild()
				"images/"+Math.floor(Math.random())
			}
		</script>
	</body>
</html>
